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  • March 2011
  • Case

Valuation of AirThread Connections

By: Erik Stafford and Joel L. Heilprin
This case can be used as a capstone valuation exercise for first-year MBA students in an introductory finance course. A senior associate in the business development group at American Cable Communications, one of the largest cable companies in the U.S., must prepare a... View Details
Keywords: Communication; Present Value; Tax Accounting; Capital Costs; Synergy; Telephony; Wireless Technologies; Communication Technology; Assets; Cost of Capital; Valuation; Cash Flow; Capital Structure; Accounting; Wireless Technology; Communications Industry; Media and Broadcasting Industry
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  • March 2011
  • Supplement

Valuation of AirThread Connections, Spreadsheet Supplement (Brief Case)

By: Erik Stafford and Joel L. Heilprin
Keywords: Present Value; Tax Accounting; Capital Costs; Synergy; Telephony; Wireless Technologies; Assets; Cost of Capital; Valuation; Capital Structure; Cash Flow; Communication; Taxation; Accounting; Wireless Technology
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  • March 2011
  • Supplement

Valuation of AirThread Connections, Faculty Spreadsheet Supplement (Brief Case)

By: Erik Stafford and Joel L. Heilprin
Keywords: Present Value; Tax Accounting; Capital Costs; Synergy; Telephony; Wireless Technologies; Assets; Cost of Capital; Valuation; Capital Structure; Cash Flow; Communication; Taxation; Accounting; Wireless Technology
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  • March 2011
  • Teaching Note

Valuation of AirThread Connections (Brief Case)

By: Erik Stafford and Joel L. Heilprin
Teaching note for case #4263. View Details
Keywords: Present Value; Tax Accounting; Capital Costs; Synergy; Telephony; Wireless Technologies; Assets; Cost of Capital; Valuation; Capital Structure; Cash Flow; Communication; Taxation; Accounting; Wireless Technology
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  • March 2000 (Revised October 2004)
  • Background Note

Adding Voice to the Web: A Note on Start-ups

By: Clayton M. Christensen and Tara Donovan
A study of start-up companies that have leveraged the technology of Internet Protocol (IP) telephony to develop applications that are positioned to have an impact on the offerings of traditional telecommunications organizations. View Details
Keywords: Business Startups; Internet and the Web; Communication Technology; Technological Innovation; Innovation Strategy; Telecommunications Industry; Information Technology Industry
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  • December 1998 (Revised July 2000)
  • Case

Implementing Strategies for Mobile Telephony: The Cases of BellSouth and U S WEST

By: Clayton M. Christensen
Recounts how BellSouth and US WEST developed and implemented their strategies for becoming major players in the mobile telephony business. Shows how initial success at BellSouth attracted more resources and aggressive investment, while initial failures at US WEST... View Details
Keywords: Investment; Growth and Development Strategy; Resource Allocation; Outcome or Result; Opportunities; Expansion; Mobile Technology; Communications Industry
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  • 06 Oct 2011
  • News

HBS Faculty Make the Call On the New iPhone4S

  • March 2007 (Revised May 2008)
  • Case

Iqbal Quadir, Gonofone, and the Creation of GrameenPhone (Bangladesh)

By: Daniel J. Isenberg, Carin-Isabel Knoop and David Lane
As the smallest of 4 partners in a unique wireless telephony venture in Bangladesh that he initiated and helped grow, Iqbal Quadir is trying to acquire a larger stake in the venture when one of the partners wants to sell his shares. However, Quadir faces stiff... View Details
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  • February 2001 (Revised August 2001)
  • Case

Dialpad Communications (A)

By: Alan D. MacCormack and Kerry Herman
Describes the evolution of Dialpad, a voice-over-Internet-protocol telephony company. Set in September 2000, CEO Brad Garlinghouse faces a dilemma: what to do about the large number of international users who use Dialpad to call the United States for free. He must also... View Details
Keywords: Corporate Entrepreneurship; Business or Company Management; Organizational Design; Competitive Strategy; Investment; Mobile and Wireless Technology; Internet and the Web; Venture Capital; Telecommunications Industry; California
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  • 08 May 2009
  • Working Paper Summaries

Capitalizing On Innovation: The Case of Japan

Keywords: by Robert Dujarric & Andrei Hagiu
  • 06 Sep 2004
  • Research & Ideas

The Innovator’s Battle Plan

the telephone before telephony operators began making serious inroads against Western Union. Similarly, wireless telephony existed for twenty-five years before it seriously began to erode the wireline... View Details
Keywords: by Clayton M. Christensen, Scott D. Anthony & Erik A. Roth

    C. Michael Armstrong

    Before Armstrong, the strategy at AT&T was focused on protecting the company’s long distance business. Under Armstrong’s leadership, the company expanded its communications business to include cellular telephone, internet access, and local and international View Details
    Keywords: Communications
    • 01 Apr 2001
    • News

    Books: A Nation Transformed by Information

    array of information technologies. Now, as we enter a new century, we can view the Internet and its related technologies (e.g., telephony and computing) as a historical extension of much that has gone on in this nation for some three... View Details
    Keywords: Information
    • 29 May 2007
    • First Look

    First Look: May 29, 2007

    http://www.hbsp.harvard.edu/b01/en/common/item_detail.jhtml?id=307001 Iqbal Quadir, Gonofone, and the Creation of GrameenPhone (Bangladesh) Harvard Business School Case 807-099 As the smallest of four partners in a unique wireless View Details
    Keywords: Martha Lagace
    • 01 Jun 2011
    • News

    Mr. Start-Up

    could stray from an assignment to write market assessments and instead create a start-up business plan. “The professor was Walt Salmon, and fortunately he was all for it,” recalls Cassidy, who eventually made good on the plan to launch Stylus Innovation, a computer... View Details
    Keywords: Deborah Blagg; News, Library, Internet, and Other Services; Information
    • 26 Jun 2000
    • Research & Ideas

    Presentation Round-Up

    scenario, first "broke the back" of the DSL-based local phone companies, or ILECs (Incumbent Local Exchange Carriers), with low-cost digital telephony and broadband services. But with independent content providers squeezed out, an... View Details
    Keywords: by Martha Lagace & Kenneth Liss; Technology; Communications; Telecommunications
    • 01 Feb 1997
    • News

    Made, Not Born: HBS Courses and Entrepreneurial Management

    resources." Michael P. Cassidy (MBA '91), general manager of the Computer Telephony Product Group at Artisoft, Inc., a maker of tools that connect phones to computers, took these lessons to heart when he created his own company, Stylus... View Details
    • 02 Feb 2015
    • Research & Ideas

    Disruptors Sell What Customers Want and Let Competitors Sell What They Don’t

    not going to compete by building a car manufacturing supply chain, a telephony network or a big retail footprint. We are going to use that available infrastructure to our advantage. These startups are like fleas on the backs of dinosaurs... View Details
    Keywords: by Michael Blanding